【代码评审】BPM:下一个审批人
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@ -58,7 +58,6 @@ public interface ErrorCodeConstants {
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ErrorCode TASK_CREATE_FAIL_NO_CANDIDATE_USER = new ErrorCode(1_009_006_003, "操作失败,原因:找不到任务的审批人!");
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ErrorCode TASK_SIGNATURE_NOT_EXISTS = new ErrorCode(1_009_005_015, "签名不能为空!");
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ErrorCode TASK_REASON_REQUIRE = new ErrorCode(1_009_005_016, "审批意见不能为空!");
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ErrorCode TASK_START_USER_SELECT_NODE_NOT_EXISTS = new ErrorCode(1_009_004_007, "({})不是下一个执行的流程节点!");
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// ========== 动态表单模块 1-009-010-000 ==========
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ErrorCode FORM_NOT_EXISTS = new ErrorCode(1_009_010_000, "动态表单不存在");
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@ -25,6 +25,6 @@ public class BpmTaskApproveReqVO {
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private Map<String, Object> variables;
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@Schema(description = "下一个节点审批人", example = "{nodeId:[1, 2]}")
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private Map<String, List<Long>> nextAssignees;
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private Map<String, List<Long>> nextAssignees; // 为什么是 Map,而不是 List 呢?因为下一个节点可能是多个,例如说并行网关的情况
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}
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@ -2,24 +2,21 @@ package cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.strategy.d
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.hutool.core.util.ObjectUtil;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.candidate.strategy.user.BpmTaskCandidateUserStrategy;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmTaskCandidateStrategyEnum;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.BpmnModelUtils;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.FlowableUtils;
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import cn.iocoder.yudao.module.bpm.service.task.BpmProcessInstanceService;
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import com.google.common.collect.Sets;
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import jakarta.annotation.Resource;
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import org.flowable.bpmn.model.BpmnModel;
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import org.flowable.bpmn.model.ServiceTask;
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import org.flowable.bpmn.model.Task;
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import org.flowable.bpmn.model.UserTask;
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import org.flowable.engine.delegate.DelegateExecution;
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import org.flowable.engine.runtime.ProcessInstance;
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import org.springframework.context.annotation.Lazy;
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import org.springframework.stereotype.Component;
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import java.util.*;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Map;
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/**
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* 发起人自选 {@link BpmTaskCandidateUserStrategy} 实现类
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@ -53,12 +50,9 @@ public class BpmTaskCandidateStartUserSelectStrategy extends AbstractBpmTaskCand
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Map<String, List<Long>> startUserSelectAssignees = FlowableUtils.getStartUserSelectAssignees(processInstance);
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Assert.notNull(startUserSelectAssignees, "流程实例({}) 的发起人自选审批人不能为空",
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execution.getProcessInstanceId());
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// 获得审批人,如果不存在,则直接返回空,fix: 用于节点预测时,如果该节点不存在发起人自选审批人,类型转换异常
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// 获得审批人
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List<Long> assignees = startUserSelectAssignees.get(execution.getCurrentActivityId());
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if (CollUtil.isEmpty(assignees)){
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return Sets.newLinkedHashSet();
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}
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return new LinkedHashSet<>(assignees);
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return CollUtil.isNotEmpty(assignees) ? new LinkedHashSet<>(assignees) : Sets.newLinkedHashSet();
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}
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@Override
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@ -71,33 +65,9 @@ public class BpmTaskCandidateStartUserSelectStrategy extends AbstractBpmTaskCand
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if (startUserSelectAssignees == null) {
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return Sets.newLinkedHashSet();
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}
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// 获得审批人,如果不存在,则直接返回空,fix: 用于节点预测时,如果该节点不存在发起人自选审批人,类型转换异常
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// 获得审批人
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List<Long> assignees = startUserSelectAssignees.get(activityId);
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if (CollUtil.isEmpty(assignees)){
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return Sets.newLinkedHashSet();
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}
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return new LinkedHashSet<>(assignees);
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}
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/**
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* 获得发起人自选审批人或抄送人的 Task 列表
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*
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* @param bpmnModel BPMN 模型
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* @return Task 列表
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*/
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public static List<Task> getStartUserSelectTaskList(BpmnModel bpmnModel) {
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if (bpmnModel == null) {
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return Collections.emptyList();
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}
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List<Task> tasks = new ArrayList<>();
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tasks.addAll(BpmnModelUtils.getBpmnModelElements(bpmnModel, UserTask.class));
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tasks.addAll(BpmnModelUtils.getBpmnModelElements(bpmnModel, ServiceTask.class));
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if (CollUtil.isEmpty(tasks)) {
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return Collections.emptyList();
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}
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tasks.removeIf(task -> ObjectUtil.notEqual(BpmnModelUtils.parseCandidateStrategy(task),
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BpmTaskCandidateStrategyEnum.START_USER_SELECT.getStrategy()));
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return tasks;
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return CollUtil.isNotEmpty(assignees) ? new LinkedHashSet<>(assignees) : Sets.newLinkedHashSet();
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}
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}
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@ -809,8 +809,7 @@ public class BpmnModelUtils {
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if (currentElement instanceof ExclusiveGateway) {
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// 查找满足条件的 SequenceFlow 路径
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Gateway gateway = (Gateway) currentElement;
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// TODO @小北:当一个网关节点下存在多个满足的并行节点时,只查询一个节点流程流转会存在问题,需要优化,
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// TODO 具体见issue:https://github.com/YunaiV/ruoyi-vue-pro/issues/761
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// TODO @小北:当一个网关节点下存在多个满足的并行节点时,只查询一个节点流程流转会存在问题。需要优化,具体见issue:https://github.com/YunaiV/ruoyi-vue-pro/issues/761
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SequenceFlow matchSequenceFlow = CollUtil.findOne(gateway.getOutgoingFlows(),
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flow -> ObjUtil.notEqual(gateway.getDefaultFlow(), flow.getId())
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&& (evalConditionExpress(variables, flow.getConditionExpression())));
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@ -866,27 +865,27 @@ public class BpmnModelUtils {
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* @param bpmnModel BPMN模型
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* @param variables 流程变量
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*/
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@SuppressWarnings("PatternVariableCanBeUsed")
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public static List<FlowNode> getNextFlowNodes(FlowElement currentElement, BpmnModel bpmnModel,
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Map<String, Object> variables){
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// 下一个执行的流程节点集合
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List<FlowNode> nextFlowNodes = new ArrayList<>();
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// 当前执行节点的基本属性
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FlowNode currentNode = (FlowNode) currentElement;
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// 获取当前节点的关联节点
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List<SequenceFlow> outgoingFlows = currentNode.getOutgoingFlows();
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if (CollUtil.isEmpty(outgoingFlows)){
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List<FlowNode> nextFlowNodes = new ArrayList<>(); // 下一个执行的流程节点集合
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FlowNode currentNode = (FlowNode) currentElement; // 当前执行节点的基本属性
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List<SequenceFlow> outgoingFlows = currentNode.getOutgoingFlows(); // 当前节点的关联节点
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if (CollUtil.isEmpty(outgoingFlows)) {
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log.warn("[getNextFlowNodes][当前节点({}) 的 outgoingFlows 为空]", currentNode.getId());
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return nextFlowNodes;
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}
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// 遍历每个出口流
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for (SequenceFlow outgoingFlow : outgoingFlows) {
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// 获取目标节点的基本属性
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FlowElement targetElement = bpmnModel.getFlowElement(outgoingFlow.getTargetRef());
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if (targetElement == null){
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if (targetElement == null) {
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continue;
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}
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if (targetElement instanceof Gateway gateway) {
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// 处理不同类型的网关
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// 情况一:处理不同类型的网关
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if (targetElement instanceof Gateway) {
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Gateway gateway = (Gateway) targetElement;
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if (gateway instanceof ExclusiveGateway) {
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handleExclusiveGateway(gateway, bpmnModel, variables, nextFlowNodes);
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} else if (gateway instanceof InclusiveGateway) {
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@ -895,7 +894,7 @@ public class BpmnModelUtils {
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handleParallelGateway(gateway, bpmnModel, variables, nextFlowNodes);
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}
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} else {
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// 如果不是网关,直接添加到下一个节点列表
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// 情况二:如果不是网关,直接添加到下一个节点列表
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nextFlowNodes.add((FlowNode) targetElement);
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}
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}
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@ -903,15 +902,17 @@ public class BpmnModelUtils {
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}
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/**
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* 处理排他网关
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* 处理排它网关
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*
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* @param gateway 排他网关
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* @param bpmnModel BPMN模型
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* @param variables 流程变量
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* @param nextFlowNodes 下一个执行的流程节点集合
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*/
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private static void handleExclusiveGateway(Gateway gateway, BpmnModel bpmnModel, Map<String, Object> variables, List<FlowNode> nextFlowNodes) {
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// TODO @小北: 这里和simulateNextFlowElements中有重复代码,是否重构??每个网关节点拆分出方法应该比较合理化,@芋道
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private static void handleExclusiveGateway(Gateway gateway, BpmnModel bpmnModel,
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Map<String, Object> variables, List<FlowNode> nextFlowNodes) {
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// TODO @小北: 这里和 simulateNextFlowElements 中有重复代码,是否重构??每个网关节点拆分出方法应该比较合理化,@芋艿
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// TODO @小北:ok,把 simulateNextFlowElements 里面处理网关的,复用这个方法,可以么?
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SequenceFlow matchSequenceFlow = CollUtil.findOne(gateway.getOutgoingFlows(),
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flow -> ObjUtil.notEqual(gateway.getDefaultFlow(), flow.getId())
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&& (evalConditionExpress(variables, flow.getConditionExpression())));
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@ -940,7 +941,8 @@ public class BpmnModelUtils {
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* @param variables 流程变量
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* @param nextFlowNodes 下一个执行的流程节点集合
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*/
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private static void handleInclusiveGateway(Gateway gateway, BpmnModel bpmnModel, Map<String, Object> variables, List<FlowNode> nextFlowNodes) {
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private static void handleInclusiveGateway(Gateway gateway, BpmnModel bpmnModel,
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Map<String, Object> variables, List<FlowNode> nextFlowNodes) {
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Collection<SequenceFlow> matchSequenceFlows = CollUtil.filterNew(gateway.getOutgoingFlows(),
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flow -> ObjUtil.notEqual(gateway.getDefaultFlow(), flow.getId())
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&& evalConditionExpress(variables, flow.getConditionExpression()));
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@ -960,6 +962,7 @@ public class BpmnModelUtils {
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}
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});
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}
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/**
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* 处理并行网关
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*
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@ -968,7 +971,8 @@ public class BpmnModelUtils {
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* @param variables 流程变量
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* @param nextFlowNodes 下一个执行的流程节点集合
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*/
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private static void handleParallelGateway(Gateway gateway, BpmnModel bpmnModel, Map<String, Object> variables, List<FlowNode> nextFlowNodes) {
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private static void handleParallelGateway(Gateway gateway, BpmnModel bpmnModel,
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Map<String, Object> variables, List<FlowNode> nextFlowNodes) {
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// 并行网关,遍历所有出口路径,获取目标节点
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gateway.getOutgoingFlows().forEach(flow -> {
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FlowElement targetElement = bpmnModel.getFlowElement(flow.getTargetRef());
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@ -175,9 +175,9 @@ public class BpmProcessInstanceServiceImpl implements BpmProcessInstanceService
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}
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startUserId = Long.valueOf(historicProcessInstance.getStartUserId());
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processInstanceStatus = FlowableUtils.getProcessInstanceStatus(historicProcessInstance);
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// 如果流程变量不为空,则用前端传递的新变量值覆盖历史的流程变量
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// 合并 DB 和前端传递的流量变量,以前端的为主
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Map<String, Object> historicVariables = historicProcessInstance.getProcessVariables();
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if (null != processVariables) {
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if (CollUtil.isNotEmpty(processVariables)) {
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historicVariables.putAll(processVariables);
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}
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processVariables = historicVariables;
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@ -11,13 +11,10 @@ import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
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import cn.iocoder.yudao.framework.common.util.object.ObjectUtils;
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import cn.iocoder.yudao.framework.common.util.object.PageUtils;
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import cn.iocoder.yudao.framework.web.core.util.WebFrameworkUtils;
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import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailReqVO;
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import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.instance.BpmApprovalDetailRespVO;
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import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.task.*;
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import cn.iocoder.yudao.module.bpm.convert.task.BpmTaskConvert;
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import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmFormDO;
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import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmProcessDefinitionInfoDO;
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import cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants;
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import cn.iocoder.yudao.module.bpm.enums.definition.*;
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import cn.iocoder.yudao.module.bpm.enums.task.BpmCommentTypeEnum;
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import cn.iocoder.yudao.module.bpm.enums.task.BpmReasonEnum;
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@ -63,7 +60,6 @@ import org.springframework.transaction.support.TransactionSynchronization;
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import org.springframework.transaction.support.TransactionSynchronizationManager;
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import java.util.*;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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@ -535,9 +531,15 @@ public class BpmTaskServiceImpl implements BpmTaskService {
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Map<String, Object> variables = FlowableUtils.filterTaskFormVariable(reqVO.getVariables());
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// 校验传递的参数中是否为下一个将要执行的任务节点
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validateNextAssignees(task.getTaskDefinitionKey(), reqVO.getVariables(), bpmnModel, reqVO.getNextAssignees(), instance);
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// 下个节点审批人如果不存在,则由前端传递
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// 如果有下一个审批人,则设置到流程变量中
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// TODO @小北:validateNextAssignees 升级成 validateAndSetNextAssignees,然后里面吧下面这一小段逻辑,抽进去如何?
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if (CollUtil.isNotEmpty(reqVO.getNextAssignees())) {
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// 获取实例中的全部节点数据,避免后续节点的审批人被覆盖
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// TODO @小北:这里有个需要讨论的点,微信哈;
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// TODO 因为 PROCESS_INSTANCE_VARIABLE_START_USER_SELECT_ASSIGNEES 定位是发起人,那么审批人选择的,放在 PROCESS_INSTANCE_VARIABLE_START_USER_SELECT_ASSIGNEES。目前想到两个方案:
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// TODO 方案一:增加一个 PROCESS_INSTANCE_VARIABLE_APPROVE_USER_SELECT_ASSIGNEES,然后设置到这里面。然后,BpmTaskCandidateStartUserSelectStrategy 也从这里读
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// TODO 方案二:也是增加一个 PROCESS_INSTANCE_VARIABLE_APPROVE_USER_SELECT_ASSIGNEES,根据节点审批人类型,放到 PROCESS_INSTANCE_VARIABLE_START_USER_SELECT_ASSIGNEES、PROCESS_INSTANCE_VARIABLE_APPROVE_USER_SELECT_ASSIGNEES
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// TODO 方案三:融合成 PROCESS_INSTANCE_VARIABLE_USER_SELECT_ASSIGNEES,不再区分是发起人选择、还是审批人选择。
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Map<String, List<Long>> hisProcessVariables = FlowableUtils.getStartUserSelectAssignees(instance.getProcessVariables());
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hisProcessVariables.putAll(reqVO.getNextAssignees());
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variables.put(BpmnVariableConstants.PROCESS_INSTANCE_VARIABLE_START_USER_SELECT_ASSIGNEES, hisProcessVariables);
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@ -554,45 +556,52 @@ public class BpmTaskServiceImpl implements BpmTaskService {
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/**
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* 校验传递的参数中是否为下一个将要执行的任务节点
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* 校验选择的下一个节点的审批人,是否合法
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*
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* @param taskDefinitionKey 当前任务节点id
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* 1. 是否有漏选:没有选择审批人
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* 2. 是否有多选:非下一个节点
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*
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* @param taskDefinitionKey 当前任务节点标识
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* @param variables 流程变量
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* @param bpmnModel 流程模型
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* @param nextActivityNodes 下一个节点审批人集合(参数)
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* @param nextAssignees 下一个节点审批人集合(参数)
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* @param processInstance 流程实例
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*/
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private void validateNextAssignees(String taskDefinitionKey, Map<String, Object> variables, BpmnModel bpmnModel,
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Map<String, List<Long>> nextActivityNodes,ProcessInstance processInstance){
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// 1、获取当前任务节点的信息
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Map<String, List<Long>> nextAssignees, ProcessInstance processInstance) {
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// 1. 获取当前任务节点的信息
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FlowElement flowElement = bpmnModel.getFlowElement(taskDefinitionKey);
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// 2、获取下一个将要执行的节点集合
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// 2. 获取下一个将要执行的节点集合
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List<FlowNode> nextFlowNodes = getNextFlowNodes(flowElement, bpmnModel, variables);
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// 3、循环下一个将要执行的节点集合
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// 3. 循环下一个将要执行的节点集合
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for (FlowNode nextFlowNode : nextFlowNodes) {
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// 3.1、获取下一个将要执行节点的属性(是否为自选审批人等)
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// 3.1 获取下一个将要执行节点的属性(是否为自选审批人等)
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// TODO @小北:public static Integer parseCandidateStrategy(FlowElement userTask) 使用这个工具方法哈。
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Map<String, List<ExtensionElement>> extensionElements = nextFlowNode.getExtensionElements();
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List<ExtensionElement> elements = extensionElements.get(BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY);
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if (CollUtil.isEmpty(elements)){
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if (CollUtil.isEmpty(elements)) {
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continue;
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}
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// 3.2、获取节点中的审批人策略
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// 3.2 获取节点中的审批人策略
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Integer candidateStrategy = Integer.valueOf(elements.get(0).getElementText());
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// 3.3、获取流程实例中的发起人自选审批人
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// 3.3 获取流程实例中的发起人自选审批人
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Map<String, List<Long>> startUserSelectAssignees = FlowableUtils.getStartUserSelectAssignees(processInstance.getProcessVariables());
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List<Long> startUserSelectAssignee = startUserSelectAssignees.get(nextFlowNode.getId());
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// 3.4、如果节点中的审批人策略为 发起人自选,并且该节点的审批人为空
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// 3.4 如果节点中的审批人策略为 发起人自选,并且该节点的审批人为空
|
||||
if (ObjUtil.equals(candidateStrategy, BpmTaskCandidateStrategyEnum.START_USER_SELECT.getStrategy()) && CollUtil.isEmpty(startUserSelectAssignee)) {
|
||||
// 先判断前端传递的参数节点节点是否为将要执行的节点
|
||||
if (!nextActivityNodes.containsKey(nextFlowNode.getId())){
|
||||
// TODO @小北:!nextAssignees.containsKey(nextFlowNode.getId())、和 CollUtil.isEmpty(nextAssignees.get(nextFlowNode.getId()))) 是不是等价的?
|
||||
if (!nextAssignees.containsKey(nextFlowNode.getId())) {
|
||||
throw exception(TASK_TARGET_NODE_NOT_EXISTS, nextFlowNode.getName());
|
||||
}
|
||||
// 如果节点存在,则获取节点中的审批人
|
||||
List<Long> nextAssignees = nextActivityNodes.get(nextFlowNode.getId());
|
||||
// 如果前端传递的节点为空,则抛出异常
|
||||
if (CollUtil.isEmpty(nextAssignees)) {
|
||||
// TODO @小北:换一个错误码哈。
|
||||
if (CollUtil.isEmpty(nextAssignees.get(nextFlowNode.getId()))) {
|
||||
throw exception(PROCESS_INSTANCE_START_USER_SELECT_ASSIGNEES_NOT_CONFIG, nextFlowNode.getName());
|
||||
}
|
||||
}
|
||||
// TODO @小北:加一个“审批人选择”的校验;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue